PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

118333Washer,flat

Allmetal Screw Products Corp · NSN 5310-00-634-9099 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-634-9099 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-634-9099. Primary manufacturer part number: 118333.
Features
  • Washer,flat — FSC 5310
  • Material: WOOL OR COTTON OR CELLULOSE OR GLASS OVERALL
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Thickness: 0.046 INCHES NOMINAL IN
  • Hole Diameter: 0.116 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.250 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Wool or Cotton or Cellulose or Glass Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-634-9099, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Allmetal Screw Products Corp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-634-9099
Primary Part Number118333
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAllmetal Screw Products Corp
StatusACTIVE
MaterialWOOL OR COTTON OR CELLULOSE OR GLASS OVERALL
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Thickness0.046 INCHES NOMINAL IN
Hole Diameter0.116 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2920-00-494-8212IBT6701D INTERCHANGEABLE
Distributor,ignition System
Prestolite Electric Inc
4720-01-221-5351FLX100185002608 INTERCHANGEABLE
Hose,air Duct
Flexfab Llc
Cross-Reference Index
Part NumberManufacturer
118333 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
118333 PRIMARY Allmetal Screw Products Corp (USA)
302-4800-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
302-4800-000 Iten Industries (USA)
Related Parts
2920-00-494-8212INTERCHANGEABLE
DISTRIBUTOR,IGNITION SYSTEM
IBT6701D
4720-01-221-5351INTERCHANGEABLE
HOSE,AIR DUCT
FLX100185002608

Frequently Asked Questions

What is NSN 5310-00-634-9099?

NSN 5310-00-634-9099 is a Washer,flat, manufactured by Allmetal Screw Products Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-634-9099?

NSN 5310-00-634-9099 has 4 cross-referenced part numbers: 118333 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 118333 (Allmetal Screw Products Corp), 302-4800-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 302-4800-000 (Iten Industries).

What NSN replaces 5310-00-634-9099?

There are 2 known substitutes for 5310-00-634-9099: 2920-00-494-8212, 4720-01-221-5351. Verify interchangeability with system specifications before substitution.

What are the specifications of 118333?

Key specifications for 118333: Material: WOOL OR COTTON OR CELLULOSE OR GLASS OVERALL; Peripheral Shape Style: ROUND; Center Hole Shape Style: ROUND; Thickness: 0.046 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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